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Business Analytics Practice Test: Easy
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Business analytics is the process of transforming data into insights to improve business decisions.

Data management, data visualization, predictive modeling, data mining, forecasting simulation, and optimization are some of the tools used to create insights from data.

Business Analytics Practice Test: Easy
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25 Questions

1. Summary and presentation of data in tabular form with several non-overlapping classes is referred as
2. Frequencies of all specific values of x and y variables with total calculated frequencies are classified as
3. Examples of applications of range in real world includes
4. Range or set of values which have chances to contain value of population parameter with particular confidence level is considered as
5. If standard deviation of population is 35 and sample size is 9 then standard deviation of sampling distribution is
6. Variation in which outcomes of experiments are effected by uncontrolled factors is considered as
7. According to empirical rule, standard deviation and mean interval that covers approximately 99.75% of data from a frequency distribution is
8. Type of stratified proportion sampling in which information is gathered on convenience basis from different groups of population is classified as
9. If first quartile and third quartile are as 32 and 35 respectively with median of 20 then distribution is skewed to
10. Type of rating scale which allows respondents to choose most relevant option out of other stated options is classified as
11. Value which is obtained by multiplying possible values of random variable with probability of occurrence and is equal to weighted average is called
12. Types of probabilities for independent events must includes
13. Considering standard deviation, mean absolute deviation is equal to
14. Consider two events X and Y, X-bar and Y-bar represents
15. Median, mode, deciles and percentiles are all considered as measures of
16. In a set of observations, amount of variation can be shown in form of figures with help of
17. If beta one is 9, beta two is 11 then coefficient of skewness is
18. Median of a moderately skewed distribution is 8, third quartile is 12, first quartile is 8 and inter-quartile range is 4 then relative coefficient of skewness is
19. Considering moments in standard units, fourth alpha with power 1 is equivalent to
20. In probability theories, events which can never occur together are classified as
21. Relative measures in measures of dispersion are also considered as
22. If two events X and Y are considered as partially overlapping events then rule of addition can be written as
23. Categories of measures of dispersion are classified as
24. In binomial probability distribution, success and failure generated by trial is respectively denoted by
25. Mean of squared deviations which is calculated from arithmetic mean is called